#include <REGX52.H>
#include "Delay.h"
sbit RCK=P3^5;
sbit SCK=P3^6;
sbit SER=P3^4;

void _74HC595_WriteByte(unsigned char Byte)
{
	unsigned char i;
	for(i=0;i<8;i++)
	{
		SER=Byte&(0x80>>i);
		SCK=1;
		SCK=0;
	}
	RCK=1;
	RCK=0;
	
}
void MatrixLED_ShowColumn(unsigned char Column,Data)
{
	_74HC595_WriteByte(Data);
	P0=~(0x80>>Column);
	Delay(1);
	P0=0xFF;
}
void main()
{
	SCK=0;
	RCK=0;
	
	while(1)
	{
		MatrixLED_ShowColumn(0,0x3C);
		MatrixLED_ShowColumn(1,0x42);
		MatrixLED_ShowColumn(2,0xA9);
		MatrixLED_ShowColumn(3,0x85);
		MatrixLED_ShowColumn(4,0x85);
		MatrixLED_ShowColumn(5,0xA9);
		MatrixLED_ShowColumn(6,0x42);
		MatrixLED_ShowColumn(7,0x3C);
	}
}




//数据赋值给SER,高位在先
//上升沿移位SERCLK
//上升沿锁存RCLK